1.we can make custom rubber molding and produce according to customer's drawing or sample 2.he role of oil seal is to drive part of the general need for lubrication of parts and components contribute to isolation, and will not let oil leak. 3.Material:NBR,EPDB,Silicone 4.Application:For the gasoline engine crankshaft, diesel engine crankshaft, gearbox, differential, shock absorbers, engine, axles and other parts